#header{
	width:100%;
	margin:0 auto;
	text-align: center;
}
#header .title{
	font:bold 50px Arial;
	color:#999999;
	margin:0 auto;
}
#header .author{
	font-size:15px;
	margin:5px auto;
	padding-left:40%;
}
#header .wrapper{
	display: flex;
	justify-content: space-between;
	width:500px;
	margin: 0 auto;
}
#header .score-wrapper,
#header .newgame-wrapper{
	width:150px;
	background-color: #776E65;
	padding:6px;
	border-radius: 6px;
	font:bold 20px Arial;
	line-height: 30px;
}
#header .newgame-wrapper:hover{
	background-color: rgba(255,0,0,0.4);
	cursor: pointer;
}
#header .score-wrapper #txt{
	color: #d2d52d;
}
#header .score-wrapper #score{
	color:#fff;
	vertical-align: middle;
	font-size: 30px;
}
#header .newgame-wrapper #newGame{
	text-decoration: none;
	display: block;
	color:#fff;
}


#grid-container{
	width:460px;
	height:460px;
	padding:20px;
	background-color:#804014;
	margin:10px auto;
	border-radius: 10px;
	position: relative;
}

#grid-container .grid-cell{
	width:100px;
	height:100px;
	background-color: rgba(0,0,0,0.3);
	border-radius: 10px;
	position: absolute;
}

#grid-container .number-cell{
	border-radius: 10px;
	position: absolute;
	font:bold 50px Arial;
	text-align: center;
	line-height: 100px;
}